192713657 has 2 divisors, whose sum is σ = 192713658. Its totient is φ = 192713656.

The previous prime is 192713629. The next prime is 192713663. The reversal of 192713657 is 756317291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103958416 + 88755241 = 10196^2 + 9421^2 .

It is an emirp because it is prime and its reverse (756317291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 192713657 - 2⁶ = 192713593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (192713617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96356828 + 96356829.

It is an arithmetic number, because the mean of its divisors is an integer number (96356829).

Almost surely, 2^192713657 is an apocalyptic number.

It is an amenable number.

192713657 is a deficient number, since it is larger than the sum of its proper divisors (1).

192713657 is an equidigital number, since it uses as much as digits as its factorization.

192713657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 192713657 is about 13882.1344540384. The cubic root of 192713657 is about 577.6137162296.

The spelling of 192713657 in words is "one hundred ninety-two million, seven hundred thirteen thousand, six hundred fifty-seven".